Leetcode20ValidParentheses(StackUsage的经典例子)字符串有效。一个有效的字符串需要满足:左括号必须用相同类型的右括号闭合。左括号必须以正确的顺序闭合。Answer/**\*@param{string}s\*@return{boolean}*/varisValid=function(s){letqueue=[]letleft=['(','{','[']letmap={'(':")","[":"]","{":"}"}for(leti=0;i

Leetcode20ValidParentheses(StackUsage的经典例子)字符串有效。一个有效的字符串需要满足:左括号必须用相同类型的右括号闭合。左括号必须以正确的顺序闭合。Answer/**\*@param{string}s\*@return{boolean}*/varisValid=function(s){letqueue=[]letleft=['(','{','[']letmap={'(':")","[":"]","{":"}"}for(leti=0;i